Gunn Diode (Symbol, Basics, Structure, Working, Characteristics & Applications) Explained
Рет қаралды 327,170
6 жыл бұрынGunn Diode is explained with the following points:
1. Gunn Diode Symbol
2. Gunn Diode Basics
3. Gunn Diode Internal Structure
4. Gunn Diode Characteristics
5. Gunn Effect
6. Gunn Diode working
7. Gunn Diode applications
Chapter-wise detailed Syllabus of the Microwave Engineering Course is as follows:
Chapter-1 Transmission Line in Microwave: • Transmission Line in M...
Advantages of Microwave, Basics of Transmission Line, Parameters of Transmission Line, Types of Transmission Line, Examples on Transmission Line, Transmission Line Parameters, Impedance matching of Transmission Line, Losses in Transmission Line, Parameters of Transmission Line {Propagation constant, Phase constant, Attenuation constant, Characteristics Impedance, Reflection Coefficient, Transmission Coefficient, VSWR, Input Impedance, Line Impedance}.
Chapter-2 Smith Chart: • Smith Chart in Microwa...
Basics of Smith Chart, Mathematics of Smith Chart, Examples on Smith Chart, Smith Chart Examples on {VSWR, Reflection Coefficient, Load Impedance, Input Impedance, Line Impedance, Vmax and Vmin location, Admittance, Parallel stub Impedance matching, Series stub Impedance matching}.
Chapter-3 Scattering Parameters/ S Parameters: • Scattering Parameters,...
Basics of Scattering parameters, Properties of Scattering parameters, Scattering parameters for two port network, Scattering parameters for four port network, Examples on Scattering parameters.
Chapter-4 Waveguides: • Waveguides in Microwav...
Basics of Waveguide, Parameters of Waveguide, Comparison of Waveguide and Transmission line, Why TEM Mode is not possible in rectangular Waveguide, Parallel plate waveguide, Rectangular Waveguide, Group velocity and phase velocity in rectangular Waveguide, Modes in Rectangular Waveguide, Degenerated Modes in Rectangular Waveguide, Dominant Modes if Waveguide, Cut off frequency in rectangular Waveguide, Circular Waveguide, Examples of circular Waveguide, Comparison of circular waveguide and rectangular waveguide, Examples on waveguide.
Chapter-5 Microwave Devices: • Microwave Devices
Isolator in Microwave, Circulator in Microwave, Examples on Circulator in Microwave, Directional Coupler in Microwave, Example of directional coupler in Microwave, Two holes directional coupler in Microwave, E plane Tee, H plane Tee, Magic Tee, Hybrid Ring or Rat Race coupler, Gyrator.
Chapter-6 Microwave Sources: • Microwave Sources
Reflex Klystron, Two cavity Klystron amplifier, Comparison of Reflex klystron and two cavity klystron, Magnetron Oscillator, Magnetron zero mode, Magnetron pi mode, Magnetron mode jumping, Magnetron strapping, Travelling wave tube, Backward wave oscillator, Parametric Amplifier, MASER - Microwave Amplification Stimulated Emission Radiation, Cavity Resonator, Limitations of conventional tubes over microwave tubes.
Chapter-7 Microwave Diodes: • Microwave Diodes
Schottky Diode, Gunn Diode, Varactor Diode, TRAPATT Diode, Tunnel Diode, IMPATT Diode, BARITT Diode, PIN Diode, Step recovery Diode.
Chapter-8 Microwave Applications: • Microwave Applications
EMI, EMC, Phase Shifter, Microwave Transistors.
Chapter-9 Microwave Measurement: • Microwave Measurement
Spectrum Analyzer, VNA Calibration, Network Analyzer.
Engineering Funda channel is all about Engineering and Technology. Here this video is a part of Microwave Engineering.
#GunnDiode #Diode #MicrowaveEngineering #EngineeringFunda
@EngineeringFunda 8 ай бұрын
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@jaganmohanreddy4615 5 жыл бұрын
watch with 1.75x ,it saves ur time
@mohanganesh8811 3 жыл бұрын
Thanks for the advice bro it helped
@abhishekkulapkar8048 3 жыл бұрын
Thanjs for advice it really helped❤️❤️
@RJ-sn4xw 3 жыл бұрын
😆😆
@akhtarulanowar 3 жыл бұрын
Really..i watched it 2x speed..still i realized that time is also wasted..
@RUPESHPOKURI 2 жыл бұрын
No bhro 2x speed aheaa
@pradeepsharma4905 6 жыл бұрын
Where is gunn effect
@sayanpradhan1236 4 жыл бұрын
Thank u sir.i make a very handy short note for semester by watching the video
@shivamnaik1633 4 жыл бұрын
thanks a lot sir for you videos on microwave engineering ...for me this topic was tooo difficult to understand as sir which was teaching us was not good but after watching your videos this subject was easy to we ...thanks a lot sir once again lots of love from goa
@niharmehta5185 7 ай бұрын
It's more than 2 years but still you're still my favorite KZfaqr Sir in sense of learning and studying. The way you explain all the topic is so easy even dull student can also understand if he/she knows English. ❤❤
@EngineeringFunda 7 ай бұрын
Your Appreciations, care and share matters a lot to me. #EnginneringLove. All the subjects playlist of Engineering Funda is available in comment section. Share it with your friends to support us. Your positive comments motivates me and person like me get boosted by my students feedback. Thanks and welcome 🙏
@tejalmandaokar9471 Жыл бұрын
Very much helpful, thank you for preparing such topics and explaining it in such a easy way.
@EngineeringFunda Жыл бұрын
All the subjects playlist of Engineering Funda is available in comment section. Share it with your friends to support us. Your positive comments motivates me and person like me get boosted by my students feedback. Thanks and welcome 🙏
@ananyajain8528 5 жыл бұрын
Operating modes of gunn diode?
@aniketrajapure4060 9 ай бұрын
J.B Gunnfound that in a small DC voltage is applied at the ends of N type gallium arcanide or Indian phosphide , the current first Rises linearly from zero and then begins to oscillate with the certain threshold is reached the time of the oscillation that is is very close to the time it takes for the carriers to from travel from one contact to the other contact through n type material and this is known as gun effect or bulk effect.
@parthsoparia6379 6 жыл бұрын
every concepts are explained in detail here... which seems very easy to learn just by watching engendering funda video ..which is very helpful for many of the students n even teachers can have a good guidelines from these..thanks a ton to engineering funda....
@EngineeringFunda 6 жыл бұрын
+parth soparia : this is just a beginning. You will get microwave, antenna, electromagnetics and many more in next few months
@EngineeringFunda 6 жыл бұрын
+parth soparia : thanks and your welcome
@parthsoparia6379 6 жыл бұрын
Engineering Funda ..that would be great ..after that I will surely watch all ur videos ...and thanks for adding all those topics which would be in great demand from now as these videos make all the concepts clear to the viewers..
@abhishekmkatti832 5 жыл бұрын
What is the meaning of less reverse recovery time?
@viveksinghsikarwar936 5 жыл бұрын
bhai don't rely on one place for anything do study from different places else have passions then go for NPTEL although its not easy to study from nptel but clear everything when you are studying first time.
@vishnupriya1623 6 жыл бұрын
Sir can u send me a link for modes of operation of gunn
@Swaroop965 5 жыл бұрын
Thank you sir. Very helpful.
@viveksinghsikarwar936 5 жыл бұрын
gunn effect to batao sir kya hota hai?? and why negative resistance is coming / why mobility decreases the main concept please ......what is valley .....working with energy band diagram.... everything which is not easily founded in normal books you also escaped please make another video for this diode including these things
@EngineeringFunda 5 жыл бұрын
Definitely I will make one more video on it. Thanks to remind me. God bless you
@nitishkumar-ue9vw 5 жыл бұрын
@@EngineeringFunda sir please make another video as Gunn diode . You didn't explain Gunn effect, valley,high field domain,rwh theory.
@yashwanth1002 5 жыл бұрын
Engineering Funda sir, please make video on GUNN DIODE USING RWH Theory with derivation
@hariharan4979 2 жыл бұрын
Love the way of explaining..🙂💎💎💎💎💎💎💎
@EngineeringFunda 2 жыл бұрын
Your positive comments motivates me. Teachers like me just wants positive comment from student. Love from you guys means a lot to me. My goal is to create largest community of engineers in entire globe. Please help me by sharing this playlist with your friends.
@GowrishankarLeGrand 4 жыл бұрын
Congratulations on reaching 100k subscribers, Keep up the Good work!
@sheikhhamza9159 4 жыл бұрын
bht ziada direct parhaya hai bhai. Beginner hun mian.. kuch pally nhn parha. ooper se bar bar ads focus deviate krrhy the
@muhammadamir5714 6 жыл бұрын
what are n+ contacts made of......??? and secondly what happen if the inner active region is heavily doped....???
@ammusaravanan8447 2 жыл бұрын
Tnxs for ur wonderful teaching...... 👍💯 👏
@EngineeringFunda 2 жыл бұрын
Your positive comments motivates me. Teachers like me just wants positive comment from student. Love from you guys means a lot to me. My goal is to create largest community of engineers in entire globe. Please help me by sharing this playlist with your friends.
@ammusaravanan8447 2 жыл бұрын
@@EngineeringFunda yeah definitely Sir... .. I share to my all friends .....keep rocking 🔥
@aniketrajapure4060 9 ай бұрын
J.B Gunnfound that in a small DC voltage is applied at the ends of N type gallium arcanide or Indian phosphide , the current first Rises linearly from zero and then begins to oscillate with the certain threshold is reached the time of the oscillation that is is very close to the time it takes for the carriers to from travel from one contact to the other contact through n type material and this is known as *Gun effect* or bulk effect.
@ajithmustargi9825 5 жыл бұрын
Why the current after peak point decreases till valley point only not above or below of valley point
@SathishYeripogu 5 жыл бұрын
Sir where is gunn effect?
@sangitpradhan6818 3 жыл бұрын
what causes the mobility to decrease?
@aditikumari3677 4 жыл бұрын
Why do we use "gold plated" molybdenum studs ?
@ishumehra4623 2 жыл бұрын
Sir can you please make a video on *Gun Diode explanation with the help of two valley model.*
@TechnicalCEO 4 жыл бұрын
U didn't explained the reasons for -ve region with electron level ... This was not expected sir
@Player-pe9cv 5 жыл бұрын
Great job doing man!
@saikumarbellamkondakumar2743 6 жыл бұрын
Why don't you explain about domain formation ...it is the basic explanation required??
@anujlahoti7435 4 жыл бұрын
2 valley theorem?
@sandeepgiri3660 5 жыл бұрын
Tnx sir very good video
@the_different_space 6 жыл бұрын
can anyone explain domain formation please!
@madhusudhanraju4909 6 жыл бұрын
Gunn effect is not there sir please send
@shanthikumariragala5510 5 жыл бұрын
Sir please explain the modes of Gunn diode
@nilban372 6 жыл бұрын
what do you mean by n+ layer? does that indicate presence of holes in n region?
@EngineeringFunda 6 жыл бұрын
N+ mean highly doped n type material. Mean highly doped electrons by pentavelnt impurities
@nilban372 6 жыл бұрын
Thanks sir
@harijs007 5 жыл бұрын
Thanks!
@ayanchakraborty2011 4 жыл бұрын
What is Domain formation and RWH Theory of gunn diode
@ayeshashaikh9428 6 жыл бұрын
Well explained!!...I want to know the working of two valley in conductiom band i.e lower and upper valley in gunn diode
@EngineeringFunda 6 жыл бұрын
+ayesha Shaikh : in lower valley +ve resistance is about to begin by further increase in voltage and at upper valley -ve resistance is about to begin as you increase voltage further so do biasing of Gunn diode in between this to point so that you can have minimum reverse recovery time and fast switching characteristics.
@ayeshashaikh9428 6 жыл бұрын
how does the transfer of electrons takes place from lower valley to upper valley?
@EngineeringFunda 6 жыл бұрын
ayesha Shaikh : see direction of electron is same as current is positive but qauntity of electrons decreases during -ve resistance characteristics and quantity of electrons increases during +ve resistance characteristics and that you can understands based on mobility in characteristics.
@ayeshashaikh9428 6 жыл бұрын
Got it!! thanks alot for your explaination sir..you explained it well.
@EngineeringFunda 6 жыл бұрын
ayesha Shaikh : your welcome
@Pkpavan-jn6mc 5 жыл бұрын
Your lectures are super.
@Pkpavan-jn6mc 5 жыл бұрын
Gunn diode operation modes please
@ajithmustargi9825 5 жыл бұрын
What exactly valley point means
@m.suhailquraishi7951 6 жыл бұрын
THNKS LOT ....SIR ✌😊
@EngineeringFunda 6 жыл бұрын
Your welcome
@ganjinaveen7338 4 жыл бұрын
How is current is decreasing sir
@yagavelp5552 4 жыл бұрын
Extraordinary .super keep it up
@philiplutz6005 6 жыл бұрын
It is GHz ,the way he writes G is some how different then yours
@saimantipal2402 5 жыл бұрын
Correct d spelling of 'symbol'
@saikalyan9461 5 жыл бұрын
Where is Wave guide & coaxal cavity
@ankitanand2265 2 жыл бұрын
Well explained Sir 🙏
@EngineeringFunda 2 жыл бұрын
Your positive comments motivates me. Teachers like me just wants positive comment from student. Love from you guys means a lot to me. My goal is to create largest community of engineers in entire globe. Please help me by sharing this playlist with your friends.
@anuragsaiharirachamalla4578 4 жыл бұрын
Thanks for uploading :)
@FFGAMING-dr4dh 2 жыл бұрын
Sir actually gunn diode doesn't works in forward bais know sir it's works only in reverse bais condition
@vivekkhare9735 5 жыл бұрын
Please explain gunn effect
@gsathvika3376 3 жыл бұрын
Sir please explain rwh theory with diagram
@sohrabquraishi5936 6 жыл бұрын
Hey nicely done...the flow and ease u kept thoughout is commendable... really helped me understand it super quick...thanks
@EngineeringFunda 6 жыл бұрын
+Sohrab Quraishi : your welcome
@RandomMusingsOfLowMelanin 6 жыл бұрын
What i sreverse recovery time? Also how is it related to the reversed drift velocity or the negative resistance?
@EngineeringFunda 6 жыл бұрын
+Siddharth Sharma : mobility is getting negative. So velocity of electrons is getting drifted in opposite direction hence it results into increase in voltage with decrease in current
@EngineeringFunda 6 жыл бұрын
+Siddharth Sharma : reverse recovery time means time required to evacuate all charge carrier so that state change from on to off.
@RandomMusingsOfLowMelanin 6 жыл бұрын
Thank you for repllyinv but I still dont get it, how does negative resistance assist in quick recovery times?
@EngineeringFunda 6 жыл бұрын
+Siddharth Sharma : negative resistance means increase in voltage with decrease in current so if u have reverse (-ve) mobility (v_d/E) then increase in voltage will increase electric field and increase in electric field will decrease current.
@bonthalaplaza5736 6 жыл бұрын
Wt about 5th point gunn effect
@ajayjoshi5273 5 жыл бұрын
Exactly
@apurvadeshmukh1243 5 жыл бұрын
Gunn effect is not in this video
@abhijithpalackal5551 6 жыл бұрын
Thank u very much for these information's
@EngineeringFunda 6 жыл бұрын
Your welcome
@omprakashkumar2893 4 жыл бұрын
How it works
@tusharverma1396 2 жыл бұрын
Thank you sir
@EngineeringFunda 2 жыл бұрын
Your positive comments motivates me. Teachers like me just wants positive comment from student. Love from you guys means a lot to me. My goal is to create largest community of engineers in entire globe. Please help me by sharing this playlist with your friends.
@bittukumarthakur1429 2 жыл бұрын
Awesome 👍
@EngineeringFunda 2 жыл бұрын
Your welcome 🙏
@shanti__se 4 жыл бұрын
Sir synchro as error detector pr video banaiye
@SukhwinderSingh-yk2qx 6 жыл бұрын
Why holes go to p+ and electrons go to n+ As they should attract negative charges
@EngineeringFunda 6 жыл бұрын
Positive terminal is there with p+ and negative terminal is there with n+ so direction of current will be from n+ to p+ so one can easily say holes will move towards p+ and electrons should move towards n+.
@SukhwinderSingh-yk2qx 6 жыл бұрын
Engineering Funda Bt they are supposed to repel As holes are positive and electrons are negative So how holes(positive charge) goes to p+ (also positive) and same in case of electrons Please explain
@EngineeringFunda 6 жыл бұрын
Holes are moving towards p+ and making it more p+ that's the point.
@SukhwinderSingh-yk2qx 6 жыл бұрын
Engineering Funda Ohkk thanx
@hemanthkommaraju1888 6 жыл бұрын
U havent explained operation how it works
@EngineeringFunda 6 жыл бұрын
+HR Creative Works : it's working is bised in forward bias at negative resistance region.
@imranmohammed8664 5 жыл бұрын
All was good i am not understanding writing due to sketch plz write neatly brother Thank you for this gunn diode 😇
@prasannakamath9972 5 жыл бұрын
Aur kitna neat chahiye bhai tujhe
@imranmohammed8664 5 жыл бұрын
@@prasannakamath9972 taaki mai clarity hone samjhsaku bhai terko kya leana deana hai meri baat tho ussea hoorai naa terko kyu beach mea aaraa
@mahmodmohamedsherif9835 6 жыл бұрын
i really like your videos so much .. keep going bro .. good luck
@EngineeringFunda 6 жыл бұрын
+mahmoud sherif : your welcome
@chandanbhardwaj7992 3 жыл бұрын
Awesome
@EngineeringFunda 3 жыл бұрын
Your positive comments motivates me, Thanks and welcome 🙏
@barotsantosh 6 жыл бұрын
VERY GOOD.
@EngineeringFunda 6 жыл бұрын
+Barot Santosh : :)
@asitkittur7208 4 жыл бұрын
Why drift velocity decreases or reverses. That explanation is not given.
@buntyGamer101 2 жыл бұрын
Nice explain sir
@EngineeringFunda 2 жыл бұрын
Your welcome
@saisumanth6911 6 жыл бұрын
Explain about Gunn effect
@EngineeringFunda 6 жыл бұрын
Read other comments
@HarpreetSingh-nl1li 6 жыл бұрын
your the best for me keep going on but plz hindi me video bhana
@EngineeringFunda 6 жыл бұрын
+Harpreet Singh : I think you will learn English gradually so don't worry about it. And I am not good with Hindi so after watching some videos you will get everything in English
@BPantherPink 6 жыл бұрын
"Bhana" kyaa ?? Banao bolo, banao. Baap hai voh tera !!!
@kavyasvlog1110 5 жыл бұрын
Where is Gunn effect?
@philiplutz6005 6 жыл бұрын
Audio of every videos are not proper otherwise everything is perfect
@kanakabhaskara1767 2 жыл бұрын
very nice
@EngineeringFunda 2 жыл бұрын
Your positive comments motivates me. Teachers like me just wants positive comment from student. Love from you guys means a lot to me. My goal is to create largest community of engineers in entire globe. Please help me by sharing this playlist with your friends.
@kamaltapa2836 2 жыл бұрын
Thnx sir
@EngineeringFunda 2 жыл бұрын
Your positive comments motivates me. Teachers like me just wants positive comment from student. Love from you guys means a lot to me. My goal is to create largest community of engineers in entire globe. Please help me by sharing this playlist with your friends.
@hemapechetti6396 4 жыл бұрын
Heloo where is gunn effect yar?
@amishpavecha6631 4 жыл бұрын
Where is gunn effect?
@dhiranegi8001 6 жыл бұрын
can u plz explain gunn effect using two-valley model ?
@EngineeringFunda 6 жыл бұрын
+dhira negi : it is already explained here, Gunn effect is translation of mobility from +ve to -ve. Now you see two valley and apply it
@dhiranegi8001 6 жыл бұрын
two valley model sir. today is my exam . ur videos help alot
@user-co4gk3ef1x 5 жыл бұрын
Is it possible to explain what is the difference between characteristics of Tunnel diode and Gunn diode I can't catch it also what is the differences between both effects they looks like the same. I will be really grateful if you explain to me.
@aanand_babu 4 жыл бұрын
you didn't explain the working sir
@namankamra459 5 жыл бұрын
Triggers my google assistant at the end
@aftabashrafav79 6 жыл бұрын
I think you forgot to say gun effect
@EngineeringFunda 6 жыл бұрын
+Aftab Ashraf Av :) it's already explained there.
@aftabashrafav79 6 жыл бұрын
Any way it helped me a lot..
@prekshapatel7546 6 жыл бұрын
The reversal of drift velocity from positive to negative is called Gunn effect.
@EngineeringFunda 6 жыл бұрын
+Preksha Patel : yeah ... I think I have explained that
@joybhowmik7397 5 жыл бұрын
nice
@kotaprolucharan4032 3 жыл бұрын
He is saying just like we say viva for external
@Itsmesam99 6 жыл бұрын
He saying giga hz but writing khz what the... But video is good
@EngineeringFunda 6 жыл бұрын
+yash 2 : it's giga hz only and written as GHz. May be u might have read that due low quality but u can switch it to high resolution, it's available up to 1080p with this video
@Itsmesam99 6 жыл бұрын
Engineering Funda its was written 3-10khz isn't it correct me if i am wrong
@EngineeringFunda 6 жыл бұрын
+yash 2: it is 3 to 10 GHz. May be my writing is not good enough to convence u.
@amitanshubose 6 жыл бұрын
if you see his previous videos you'll see that it is just how he writes 'G', you get used to it after a few videos.
@WeAreHostware 6 жыл бұрын
yes i also thought first time that it's khz,
@harshpalsingh1145 6 жыл бұрын
nice videos.......... mate xD
@EngineeringFunda 6 жыл бұрын
+harshpal singh : thanks and your welcome
@thecaptainindia9790 3 жыл бұрын
Explanation kahan hai bhai ?
@chittimandarajani3202 6 жыл бұрын
sorry to say this sir but in every vedio there will be a phone call for u :P
@talhalaiq6452 5 жыл бұрын
great video
@nikhilKumar-ui8bs 2 жыл бұрын
Sir ye ke sem k liye short notes provide kar dijiye na
@EngineeringFunda 2 жыл бұрын
Didn't get you
@guitarthisside 6 жыл бұрын
Ye sb to book se hi pdh lete ....Saari bookish language use ki h aapne ...Try to give more knowledge and practicability rather than delivering only theory ..Its a positive feedback i am giving...Do not take it in any other ways
@EngineeringFunda 6 жыл бұрын
Thanks for your suggestion
@shubhankbhatnagar1774 5 жыл бұрын
Kuch ni bataya....Upar upar de bta Diya ......bekaaar Awadhi adhoori explanations
@jeetmalprajapat7068 6 жыл бұрын
sir lesson in hindi
@thesoldierman4382 2 жыл бұрын
any kct students ?????
@captain2436 5 жыл бұрын
Itna deeela video h
@tarantino558 3 жыл бұрын
63 be
@ashesbala488 4 жыл бұрын
15 minute video having 15 advertisements. Is it a joke to you?????? How can anyone concentrate with so much interruptions in between?????????????
@anikettyagi007 5 жыл бұрын
Kya bakwaas h
@anikettyagi007 5 жыл бұрын
Warch at 10x save ur time
@supremeleader5516 2 ай бұрын
Stupid ratta maar way of teaching, no wonder why America is so advance then us
@ronvaiz123 2 жыл бұрын
Terrible
@Swaroop965 5 жыл бұрын
Thank you sir. Very helpful.
@GauravGupta-pb8mk 3 жыл бұрын
Thank you sir
@EngineeringFunda 3 жыл бұрын
Love and happiness of students is my ultimate goal, God bless you 🙏, keep learning and keep progressing.
@Shivamsingh-ny9ps 3 жыл бұрын
@@EngineeringFunda to gunn effect explain kar dijiye
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